163364 (2002 OD20)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3689086954 ± 9.28e-09
Semi-major axis (a)1.3652113042 AU ± 5.82e-10
Inclination (i)4.19272382° ± 2.11e-06
Long. of Asc. Node (Ω)259.84546661° ± 9.17e-06
Arg. of Perihelion (ω)275.32896840° ± 9.77e-06
Mean Anomaly (M)331.28901593° ± 3.71e-06
Mean Motion (n)0.6178918440°/day ± 3.95e-10
Perihelion dist (q)0.86157298 AU ± 1.27e-08
Aphelion dist (Q)1.86884963 AU ± 1.27e-08
Orbital Period1.59514370 yr ± 1.02e-09
Physical Parameters
H (abs. magnitude)18.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.277″
Uncertainty0
Orbit TypeApollo
MOID0.026069 AU
Observations Used602
Radar Obs Used5
Oppositions4
Arc Total2001-2025
First Observation Used2001-11-22
Last Observation Used2025-10-21
Observations (660)
Date Type RA Dec Mag Band Observatory
2013-07-12 03:41:58 C 16 45 14.01 -16 44 36.8 r Y00
2013-07-12 03:56:59 C 16 45 14.85 -16 44 35.9 r Y00
2013-07-14 03:34:19 C 16 47 48.87 -16 43 58.5 r Y00
2013-07-14 03:48:45 C 16 47 49.58 -16 43 58.1 r Y00
2013-07-14 04:02:43 C 16 47 50.32 -16 43 57.6 r Y00
2013-07-16 05:12:21 C 16 50 30.21 -16 44 30.6 u H21
2013-07-16 05:15:43 C 16 50 30.38 -16 44 30.4 u H21
2013-07-16 05:19:12 C 16 50 30.56 -16 44 30.5 u H21
2013-07-16 05:25:03 C 16 50 30.84 -16 44 30.8 u H21
2015-09-06 13:22:32 C 00 47 09.168 +13 58 29.50 L F51
2015-09-06 13:40:05 C 00 47 08.245 +13 58 26.30 L F51
2015-09-06 14:17:17 C 00 47 06.337 +13 58 19.70 L F51
2015-09-18 07:29:47 C 00 30 36.17 +12 42 50.2 q 703
2015-09-18 07:36:59 C 00 30 35.60 +12 42 46.6 q 703
2015-09-18 07:44:11 C 00 30 35.09 +12 42 43.7 q 703
2015-10-08 05:31:43 C 23 56 32.88 +08 57 01.1 q 703
2015-10-08 05:38:56 C 23 56 32.32 +08 56 56.3 q 703
2015-10-08 05:53:20 C 23 56 31.30 +08 56 48.8 q 703
2018-07-11 14:07:39 C 23 12 09.963 +01 51 28.74 U F51
2018-07-11 14:22:20 C 23 12 09.738 +01 51 30.96 U F51
2018-08-09 12:19:46 C 22 43 52.675 +01 15 49.38 U F51
2018-08-09 12:38:18 C 22 43 51.385 +01 15 44.67 U F51
2018-08-11 11:57:14 C 22 40 38.173 +01 02 48.86 U F51
2018-08-11 12:14:32 C 22 40 36.923 +01 02 43.91 U F51
2018-08-11 12:31:51 C 22 40 35.672 +01 02 38.94 U F51
2018-08-11 12:49:14 C 22 40 34.415 +01 02 34.00 U F51
2018-08-18 11:12:09 C 22 28 29.778 +00 07 47.01 U F51
2018-08-18 11:30:02 C 22 28 28.381 +00 07 40.44 U F51
2018-08-18 11:47:47 C 22 28 27.000 +00 07 33.92 U F51
2018-08-18 12:05:25 C 22 28 25.623 +00 07 27.47 U F51
2018-09-07 05:02:59 C 21 54 10.42 -03 12 19.2 V G96
2018-09-07 05:11:07 C 21 54 09.90 -03 12 22.9 V G96
2018-09-07 05:19:14 C 21 54 09.33 -03 12 25.9 V G96
2018-09-07 05:27:23 C 21 54 08.78 -03 12 29.8 V G96
2018-09-11 14:39:33 C 21 47 51.60 -03 57 12.1 q D29
2018-09-11 14:59:55 C 21 47 50.38 -03 57 22.1 q D29
2018-09-11 15:20:17 C 21 47 49.26 -03 57 28.7 q D29
2018-09-13 04:17:00 C 21 45 48.66 -04 12 40.5 U G96
2018-09-13 04:24:36 C 21 45 48.19 -04 12 43.7 U G96
2018-09-13 04:32:11 C 21 45 47.79 -04 12 46.5 U G96
2018-09-13 04:39:46 C 21 45 47.35 -04 12 49.4 U G96
2018-10-02 07:22:35 C 21 30 08.816 -06 44 12.11 U F52
2018-10-02 07:41:32 C 21 30 08.498 -06 44 16.61 U F52
2018-10-02 08:00:29 C 21 30 08.177 -06 44 21.42 U F52
2018-10-02 08:19:24 C 21 30 07.844 -06 44 25.94 U F52
2020-10-13 08:41:32 C 04 03 23.89 +26 54 08.5 u H21
2020-10-13 08:58:35 C 04 03 23.71 +26 54 08.9 u H21
2020-10-13 09:16:25 C 04 03 23.52 +26 54 09.4 u H21
2020-10-23 13:15:02 C 03 58 23.718 +26 50 25.79 U F52
2020-10-23 13:32:40 C 03 58 23.043 +26 50 24.40 U F52
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-05-19 21:50:00 289971.876 3 Hz 8560 -14 -14
2013-05-19 22:00:00 288877.77 3 Hz 8560 -14 -14
2013-05-19 22:20:00 44126497.11 10 us 8560 -14 -14
2013-05-22 02:20:00 120531.656 3 Hz 8560 -14 -14
2013-05-22 02:40:00 39614561.06 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)